journald: never read the same kernel msg twice, and generate message when we lose one

[elogind.git] / src / journal / journald.h

diff --git a/src/journal/journald.h b/src/journal/journald.h
index 159364d930bf61fdddfdbf19dc271a474055421c..d08a194780a1704df739545dae57cee6282fd248 100644 (file)
--- a/src/journal/journald.h
+++ b/src/journal/journald.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foojournaldhfoo
-#define foojournaldhfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -33,6 +32,15 @@
 #include "journal-rate-limit.h"
 #include "list.h"
 
+typedef enum Storage {
+        STORAGE_AUTO,
+        STORAGE_VOLATILE,
+        STORAGE_PERSISTENT,
+        STORAGE_NONE,
+        _STORAGE_MAX,
+        _STORAGE_INVALID = -1
+} Storage;
+
 typedef struct StdoutStream StdoutStream;
 
 typedef struct Server {
@@ -41,7 +49,7 @@ typedef struct Server {
         int syslog_fd;
         int native_fd;
         int stdout_fd;
-        int proc_kmsg_fd;
+        int dev_kmsg_fd;
 
         JournalFile *runtime_journal;
         JournalFile *system_journal;
@@ -65,10 +73,6 @@ typedef struct Server {
         bool forward_to_syslog;
         bool forward_to_console;
 
-        bool import_proc_kmsg;
-        char proc_kmsg_buffer[LINE_MAX+1];
-        size_t proc_kmsg_length;
-
         uint64_t cached_available_space;
         usec_t cached_available_space_timestamp;
 
@@ -86,9 +90,18 @@ typedef struct Server {
         int max_level_syslog;
         int max_level_kmsg;
         int max_level_console;
+
+        Storage storage;
+
+        bool dev_kmsg_readable;
+
+        uint64_t *kernel_seqnum;
 } Server;
 
 /* gperf lookup function */
 const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length);
 
-#endif
+int config_parse_storage(const char *filename, unsigned line, const char *section, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+
+const char *storage_to_string(Storage s);
+Storage storage_from_string(const char *s);